APPLICATION OF EXTENSION THEORY TO ANTIPROTON-NUCLEON SYSTEMS WITH CONTINUOUS SET OF RESONANCES IN ANNIHILATION CHANNEL

Authors
KUPERIN YA LEVIN SB MELNIKOV YB YAREVSKY EA
Citation
Ya. Kuperin et al., APPLICATION OF EXTENSION THEORY TO ANTIPROTON-NUCLEON SYSTEMS WITH CONTINUOUS SET OF RESONANCES IN ANNIHILATION CHANNEL, Computers & mathematics with applications, 34(5-6), 1997, pp. 559-570
Citations number
23
Categorie Soggetti
Computer Sciences",Mathematics,"Computer Science Interdisciplinary Applications
Journal title
Computers & mathematics with applications → ACNP
ISSN journal
08981221
Volume
34
Issue
5-6
Year of publication
1997
Pages
559 - 570
Database
ISI
SICI code
0898-1221(1997)34:5-6<559:AOETTA>2.0.ZU;2-G
Abstract
The exact expressions for scattering length and partial total cross-se ction for (p) over bar n and (p) over bar p systems are obtained in th e frame of the extended Hilbert space model with continuous spectrum o f resonances treated as an annihilation channel. The numerical algorit hm for scattering data calculation is suggested. The numerical calcula tions for (p) over bar n and (p) over bar p scattering data at angular momentum L = 0, 1, 2, 3 are performed on this base. The interaction p arameters are fitted via two-body scattering data. A satisfactory agre ement between experimental and theoretical data is obtained.